The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10
2 answers:
You might be interested in
Start with the point-slope form: .
Then you substitue in the slope and coordinates from the point:
You don't do a lot of clean up to the form, with the exception of turning "minus negative 7" into "plus 7".
Thar be yer answer!